Assessing Time-Frequency Analysis Methods for Non-Stationary EMG Bursts: Application to an Animal Model of Parkinson's Disease.

In general terms, differences in the temporal evolution of the spectral components can be observed throughout the contraction, along with a decreasing trend in their average values as post-lesion time progresses.

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In particular, Weeks 3, 4, and 5 display an increasing trend in F median and F mean over the course of the contraction, suggesting a modification in motor unit recruitment strategy, possibly compensatory in response to the loss of fast fibers [ 10 ].

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